Application of positive matrix factorization to identify potential sources of PAHs in soil of Dalian, China

被引：143

作者：

Wang, Degao ^{[1
]}

Tian, Fulin ^{[2
]}

Yang, Meng ^{[1
]}

Liu, Chenlin ^{[1
]}

Li, Yi-Fan ^{[1
,3
]}

机构：

[1] Dalian Maritime Univ, Int joint Res Ctr Persistent Tox Subst, Dalian 116026, Peoples R China

[2] Liaoning Acad Analyt Sci, Shenyang, Peoples R China

[3] Environm Canada, Sci & Technol Branch, Toronto, ON, Canada

来源：

ENVIRONMENTAL POLLUTION | 2009年 / 157卷 / 05期

关键词：

PAH; Soil; Source; PMF; POLYCYCLIC AROMATIC-HYDROCARBONS; SOURCE APPORTIONMENT; MOLECULAR MARKER; ASHTABULA RIVER; DATED SEDIMENTS; LAKE CALUMET; BLACK RIVER; EMISSION; AIR; COMBUSTION;

D O I：

10.1016/j.envpol.2009.01.003

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Soil derived sources of polycyclic aromatic hydrocarbons (PAHs) in the region of Dalian, China were investigated using positive matrix factorization (PMF). Three factors were separated based on PMF for the statistical investigation of the datasets both in summer and winter. These factors were dominated by the pattern of single sources or groups of similar sources, showing seasonal and regional variations. The main sources of PAHs in Dalian soil in summer were the emissions from coal combustion average (46%), diesel engine (30%), and gasoline engine (24%). In winter, the main sources were the emissions from coal-fired boiler (72%), traffic average (20%), and gasoline engine (8%). These factors with strong seasonality indicated that coal combustion in winter and traffic exhaust in summer dominated the sources of PAHs in soil. These results suggested that PMF model was a proper approach to identify the sources of PAHs in soil. (C) 2009 Elsevier Ltd. All rights reserved.

引用

页码：1559 / 1564

页数：6

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